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The 2012 GMC Acadia comes with P255/65R18 tires and 18-inch rims. The recommended tire pressure is 35 PSI. It's important to double-check the proper PSI for your tires before adding air, which you can find on the tire's sidewall. Overfilling the tires can result in a popped tire while driving or reduced traction, as well as accelerated wear down the center of the tread. To maintain tire health, rotate them every 7,500 miles at a cost of around $35 to $45.
The standard wheel size on the 2012 GMC Acadia is 18 inches, with tire specifications of P255/65R18. It is advisable to maintain a tire pressure of 35 pounds per square inch for this vehicle.